Update sessions branch with latest trunk changes.

FossilOrigin-Name: 48d5cab3ac08b25ec94d6ecfd25779320558110f
2025-11-14 00:22:38 +03:00 · 2011-06-22 12:01:08 +00:00
parent 34ffcfff02 0c13e9c77e
commit 53ae686bfb
16 changed files with 289 additions and 164 deletions
--- a/Makefile.msc
+++ b/Makefile.msc
@@ -114,6 +114,7 @@ LTLINK = $(TCC) -Fe$@
 # to deduce the binary type based on the object files.
 !IF "$(PLATFORM)"!=""
 LTLINKOPTS = /MACHINE:$(PLATFORM)
+LTLIBOPTS = /MACHINE:$(PLATFORM)
 !ENDIF

 # nawk compatible awk.
@@ -441,10 +442,10 @@ EXTHDR = $(EXTHDR) \
 all:	libsqlite3.lib sqlite3.exe libtclsqlite3.lib

 libsqlite3.lib:	$(LIBOBJ)
-	$(LTLIB) -OUT:$@ $(LIBOBJ) $(TLIBS)
+	$(LTLIB) $(LTLIBOPTS) /OUT:$@ $(LIBOBJ) $(TLIBS)

 libtclsqlite3.lib:	tclsqlite.lo libsqlite3.lib
-	$(LTLIB) /LIBPATH:$(TCLLIBDIR) -OUT:$@ tclsqlite.lo libsqlite3.lib $(LIBTCL:tcl=tclstub) $(TLIBS)
+	$(LTLIB) $(LTLIBOPTS) /LIBPATH:$(TCLLIBDIR) /OUT:$@ tclsqlite.lo libsqlite3.lib $(LIBTCL:tcl=tclstub) $(TLIBS)

 sqlite3.exe:	$(TOP)\src\shell.c libsqlite3.lib sqlite3.h
 	$(LTLINK) $(READLINE_FLAGS) \
@@ -837,7 +838,7 @@ test:	testfixture.exe sqlite3.exe
 	.\testfixture.exe $(TOP)\test\veryquick.test

 spaceanal_tcl.h:	$(TOP)\tool\spaceanal.tcl
-	$(NAWK) "/^[^#]/ { gsub(/\\/,\"\\\\\\\\\");gsub(/\\\"/,\"\\\\\\\"\");gsub(/^/,\"\\\"\");gsub(/$$/,\"\\n\\\"\");print }" \
+	$(NAWK) -f $(TOP)/tool/tostr.awk \
 		$(TOP)\tool\spaceanal.tcl >spaceanal_tcl.h

 sqlite3_analyzer.exe:	$(TESTFIXTURE_SRC) spaceanal_tcl.h
@@ -871,4 +872,4 @@ sqlite3.def: libsqlite3.lib
 		| sort >>sqlite3.def

 sqlite3.dll: $(LIBOBJ) sqlite3.def
-	link /DLL /OUT:$@ /DEF:sqlite3.def $(LIBOBJ)
+	link $(LTLINKOPTS) /DLL /DEF:sqlite3.def /OUT:$@ $(LIBOBJ)
--- a/main.mk
+++ b/main.mk
@@ -221,6 +221,7 @@ SRC += \
 # Source code to the test files.
 #
 TESTSRC = \
+  $(TOP)/ext/fts3/fts3_term.c \
  $(TOP)/ext/fts3/fts3_test.c \
  $(TOP)/src/test1.c \
  $(TOP)/src/test2.c \
@@ -301,7 +302,6 @@ TESTSRC2 = \
  $(TOP)/ext/fts3/fts3.c \
  $(TOP)/ext/fts3/fts3_aux.c \
  $(TOP)/ext/fts3/fts3_expr.c \
-  $(TOP)/ext/fts3/fts3_term.c \
  $(TOP)/ext/fts3/fts3_tokenizer.c \
  $(TOP)/ext/fts3/fts3_write.c \
  $(TOP)/ext/async/sqlite3async.c \
@@ -553,13 +553,8 @@ threadtest: threadtest3$(EXE)

 sqlite3_analyzer$(EXE):	$(TOP)/src/tclsqlite.c sqlite3.c $(TESTSRC) \
 			$(TOP)/tool/spaceanal.tcl
-	sed \
-	  -e '/^#/d' \
-	  -e 's,\\,\\\\,g' \
-	  -e 's,",\\",g' \
-	  -e 's,^,",' \
-	  -e 's,$$,\\n",' \
-	  $(TOP)/tool/spaceanal.tcl >spaceanal_tcl.h
+	$(NAWK) -f $(TOP)/tool/tostr.awk $(TOP)/tool/spaceanal.tcl \
+		 >spaceanal_tcl.h
 	$(TCCX) $(TCL_FLAGS) -DTCLSH=2 $(TESTFIXTURE_FLAGS)                    \
 		-DSQLITE_TEST=1 -DSQLITE_PRIVATE=""                            \
 		$(TESTSRC) $(TOP)/src/tclsqlite.c sqlite3.c                    \
--- a/38
+++ b/38
@@ -1,9 +1,9 @@
-C Merge\sthe\slatest\strunk\schanges\sinto\sthe\ssessions\sbranch.
-D 2011-06-21T01:29:16.319
+C Update\ssessions\sbranch\swith\slatest\strunk\schanges.
+D 2011-06-22T12:01:09
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in c1d7a7f4fd8da6b1815032efca950e3d5125407e
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
-F Makefile.msc c942f2ceb9385d6c75b01ee3d38d8a189fb76e8c
+F Makefile.msc 11082f65b452b908d93013292c17850378c39284
 F Makefile.vxworks c85ec1d8597fe2f7bc225af12ac1666e21379151
 F README cd04a36fbc7ea56932a4052d7d0b7f09f27c33d6
 F VERSION 3fcdd7fbe3eb282df3978fe77288544543767961
@@ -114,7 +114,7 @@ F ext/session/sqlite3session.h 665f5591562e3c71eb3d0da26f1a1efae26f7bcf
 F ext/session/test_session.c 311e5b9228374d0b5780448f289847ff1cf7d388
 F install-sh 9d4de14ab9fb0facae2f48780b874848cbf2f895 x
 F ltmain.sh 3ff0879076df340d2e23ae905484d8c15d5fdea8
-F main.mk c864cbc95010ff6bdb6ec6d213c17be0bd2a86a2
+F main.mk f56d9895882f5cdd9f9f9ba8f8a679e9202288c1
 F mkdll.sh 7d09b23c05d56532e9d44a50868eb4b12ff4f74a
 F mkextu.sh 416f9b7089d80e5590a29692c9d9280a10dbad9f
 F mkextw.sh 4123480947681d9b434a5e7b1ee08135abe409ac
@@ -141,13 +141,13 @@ F src/build.c 5a428625d21ad409514afb40ad083bee25dd957a
 F src/callback.c 0425c6320730e6d3981acfb9202c1bed9016ad1a
 F src/complete.c dc1d136c0feee03c2f7550bafc0d29075e36deac
 F src/ctime.c 7deec4534f3b5a0c3b4a4cbadf809d321f64f9c4
-F src/date.c 1548fdac51377e4e7833251de878b4058c148e1b
+F src/date.c d3c11de76392ea62637bfac0f4655889fc2f5a85
 F src/delete.c c84066147544e8fddb7ca60ac7fd36ed2df8487f
 F src/expr.c ab46ab0f0c44979a8164ca31728d7d10ae5e8106
 F src/fault.c 160a0c015b6c2629d3899ed2daf63d75754a32bb
 F src/fkey.c 9fabba17a4d4778dc660f0cb9d781fc86d7b9d41
 F src/func.c 59bb046d7e3df1ab512ac339ccb0a6f996a17cb7
-F src/global.c 29bfb85611dd816b04f10fba0ca910366e128d38
+F src/global.c c70a46f28680f8d7c097dbc0430ccf3b932e90b0
 F src/hash.c 458488dcc159c301b8e7686280ab209f1fb915af
 F src/hash.h 2894c932d84d9f892d4b4023a75e501f83050970
 F src/hwtime.h d32741c8f4df852c7d959236615444e2b1063b08
@@ -156,7 +156,7 @@ F src/journal.c 552839e54d1bf76fb8f7abe51868b66acacf6a0e
 F src/legacy.c a199d7683d60cef73089e892409113e69c23a99f
 F src/lempar.c 7f026423f4d71d989e719a743f98a1cbd4e6d99e
 F src/loadext.c 3ae0d52da013a6326310655be6473fd472347b85
-F src/main.c f7e8176ec1a9cad97470801660629179570d6b1d
+F src/main.c 8a386605c22e4b2becfe96bab2ac7128b480d489
 F src/malloc.c 591aedb20ae40813f1045f2ef253438a334775d9
 F src/mem0.c 6a55ebe57c46ca1a7d98da93aaa07f99f1059645
 F src/mem1.c 00bd8265c81abb665c48fea1e0c234eb3b922206
@@ -191,14 +191,14 @@ F src/resolve.c 1c0f32b64f8e3f555fe1f732f9d6f501a7f05706
 F src/rowset.c 69afa95a97c524ba6faf3805e717b5b7ae85a697
 F src/select.c d9d440809025a58547e39f4f268c2a296bfb56ff
 F src/shell.c 0e0173b3e79d956368013e759f084caa7995ecb1
-F src/sqlite.h.in 6bff7c59ae3cec01e628800b79ae87a2897c576c
+F src/sqlite.h.in f292d325b466081f8980911316743192cce6832a
 F src/sqlite3ext.h c90bd5507099f62043832d73f6425d8d5c5da754
-F src/sqliteInt.h 928caa40080d47e8f92e1edee83f6249d03c5862
+F src/sqliteInt.h 72cff2b19f04b1de96675fc7dbc1dd4645d90e05
 F src/sqliteLimit.h 164b0e6749d31e0daa1a4589a169d31c0dec7b3d
 F src/status.c 7ac64842c86cec2fc1a1d0e5c16d3beb8ad332bf
 F src/table.c 2cd62736f845d82200acfa1287e33feb3c15d62e
 F src/tclsqlite.c 6a34149c9ff4a6f998a4cb8336d4481670b576b6
-F src/test1.c efca486a25fb894988e7a82e84579a4e57388a02
+F src/test1.c ce2fab9e36932f5771c35291539366c9af229df3
 F src/test2.c 80d323d11e909cf0eb1b6fbb4ac22276483bcf31
 F src/test3.c 124ff9735fb6bb7d41de180d6bac90e7b1509432
 F src/test4.c d1e5a5e904d4b444cf572391fdcb017638e36ff7
@@ -238,7 +238,7 @@ F src/test_superlock.c 2b97936ca127d13962c3605dbc9a4ef269c424cd
 F src/test_syscall.c 162c4ec0137a549c009bb9ecab550527743cfc5d
 F src/test_tclvar.c f4dc67d5f780707210d6bb0eb6016a431c04c7fa
 F src/test_thread.c fe9a7803fc1d69cccb60f016f28c1cedf2d9fcfa
-F src/test_vfs.c e7855568dfa1e0ba73668d273b65605d9f8b77e8
+F src/test_vfs.c 1d82aee93e644188179da2165f4fe3ad6b62782c
 F src/test_vfstrace.c 0b884e06094a746da729119a2cabdc7aa790063d
 F src/test_wholenumber.c 6129adfbe7c7444f2e60cc785927f3aa74e12290
 F src/test_wsd.c 41cadfd9d97fe8e3e4e44f61a4a8ccd6f7ca8fe9
@@ -392,7 +392,7 @@ F test/e_resolve.test dcce9308fb13b934ce29591105d031d3e14fbba6
 F test/e_select.test 7ac53674e822d4d77bbb4a9a4aaefa5fdc9e493f
 F test/e_select2.test 5c3d3da19c7b3e90ae444579db2b70098599ab92
 F test/e_update.test b926341a65955d69a6375c9eb4fd82e7089bc83a
-F test/e_uri.test 8b943bc63cd1abb037430214cdb618422e6bf7d6
+F test/e_uri.test 6f35b491f80dac005c8144f38b2dfb4d96483596
 F test/e_vacuum.test 6c09c2af7f2f140518f371c5342100118f779dcf
 F test/enc.test e54531cd6bf941ee6760be041dff19a104c7acea
 F test/enc2.test 6d91a5286f59add0cfcbb2d0da913b76f2242398
@@ -706,7 +706,7 @@ F test/tclsqlite.test 1ce9b6340d6d412420634e129a2e3722c651056a
 F test/tempdb.test 19d0f66e2e3eeffd68661a11c83ba5e6ace9128c
 F test/temptable.test f42121a0d29a62f00f93274464164177ab1cc24a
 F test/temptrigger.test b0273db072ce5f37cf19140ceb1f0d524bbe9f05
-F test/tester.tcl 7b91ddd9b2513024b4f95ac3c0151b2dab8433e0
+F test/tester.tcl 3b6143fdafff36c516cf0fd663a20cd420aae36f
 F test/thread001.test a3e6a7254d1cb057836cb3145b60c10bf5b7e60f
 F test/thread002.test afd20095e6e845b405df4f2c920cb93301ca69db
 F test/thread003.test b824d4f52b870ae39fc5bae4d8070eca73085dca
@@ -740,6 +740,7 @@ F test/tkt-94c04eaadb.test be5ea61cb04dfdc047d19b5c5a9e75fa3da67a7f
 F test/tkt-9d68c883.test 458f7d82a523d7644b54b497c986378a7d8c8b67
 F test/tkt-b351d95f9.test d14a503c414c5c58fdde3e80f9a3cfef986498c0
 F test/tkt-b72787b1.test e6b62b2b2785c04d0d698d6a603507e384165049
+F test/tkt-bd484a090c.test 60460bf946f79a79712b71f202eda501ca99b898
 F test/tkt-cbd054fa6b.test f14f97ea43662e6f70c9e63287081e8be5d9d589
 F test/tkt-d11f09d36e.test fb44f7961aa6d4b632fb7b9768239832210b5fc7
 F test/tkt-d82e3f3721.test 731359dfdcdb36fea0559cd33fec39dd0ceae8e6
@@ -853,7 +854,7 @@ F test/triggerD.test c6add3817351451e419f6ff9e9a259b02b6e2de7
 F test/tt3_checkpoint.c 415eccce672d681b297485fc20f44cdf0eac93af
 F test/types.test bf816ce73c7dfcfe26b700c19f97ef4050d194ff
 F test/types2.test 3555aacf8ed8dc883356e59efc314707e6247a84
-F test/types3.test a0f66bf12f80fad89493535474f7a6d16fa58150
+F test/types3.test 99e009491a54f4dc02c06bdbc0c5eea56ae3e25a
 F test/unique.test 083c7fff74695bcc27a71d75699deba3595bc9c2
 F test/unixexcl.test 9d80a54d86d2261f660758928959368ffc36151e
 F test/unordered.test e81169ce2a8f31b2c6b66af691887e1376ab3ced
@@ -955,9 +956,10 @@ F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
 F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
 F tool/split-sqlite3c.tcl d9be87f1c340285a3e081eb19b4a247981ed290c
 F tool/symbols.sh bc2a3709940d47c8ac8e0a1fdf17ec801f015a00
+F tool/tostr.awk 11760e1b94a5d3dcd42378f3cc18544c06cfa576
 F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
 F tool/warnings.sh 347d974d143cf132f953b565fbc03026f19fcb4d
-P 699b884383f735fb9630d87d25dab61c97dc4485 e60eefc76fa5066720d76858f6cfca56365330ee
-R e193f5c5190325b306fe583331238ae9
-U drh
-Z 4fd98ca50300bc27a920f010541b7f13
+P f3d148e0d10e16cd744ec88a2961fd617368c5ed 6e1f4df51ad32e36715cba16f9df0d17a08dc653
+R 13b557f9f4fbb1acb5f4e9d6383e3c30
+U dan
+Z e013d0e7eccb6ac9a42c9313b4aac9ad
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-f3d148e0d10e16cd744ec88a2961fd617368c5ed
+48d5cab3ac08b25ec94d6ecfd25779320558110f
--- a/src/date.c
+++ b/src/date.c
@@ -50,22 +50,6 @@

 #ifndef SQLITE_OMIT_DATETIME_FUNCS

-/*
-** On recent Windows platforms, the localtime_s() function is available
-** as part of the "Secure CRT". It is essentially equivalent to 
-** localtime_r() available under most POSIX platforms, except that the 
-** order of the parameters is reversed.
-**
-** See http://msdn.microsoft.com/en-us/library/a442x3ye(VS.80).aspx.
-**
-** If the user has not indicated to use localtime_r() or localtime_s()
-** already, check for an MSVC build environment that provides 
-** localtime_s().
-*/
-#if !defined(HAVE_LOCALTIME_R) && !defined(HAVE_LOCALTIME_S) && \
-     defined(_MSC_VER) && defined(_CRT_INSECURE_DEPRECATE)
-#define HAVE_LOCALTIME_S 1
-#endif

 /*
 ** A structure for holding a single date and time.
@@ -411,15 +395,83 @@ static void clearYMD_HMS_TZ(DateTime *p){
  p->validTZ = 0;
 }

+/*
+** On recent Windows platforms, the localtime_s() function is available
+** as part of the "Secure CRT". It is essentially equivalent to 
+** localtime_r() available under most POSIX platforms, except that the 
+** order of the parameters is reversed.
+**
+** See http://msdn.microsoft.com/en-us/library/a442x3ye(VS.80).aspx.
+**
+** If the user has not indicated to use localtime_r() or localtime_s()
+** already, check for an MSVC build environment that provides 
+** localtime_s().
+*/
+#if !defined(HAVE_LOCALTIME_R) && !defined(HAVE_LOCALTIME_S) && \
+     defined(_MSC_VER) && defined(_CRT_INSECURE_DEPRECATE)
+#define HAVE_LOCALTIME_S 1
+#endif
+
 #ifndef SQLITE_OMIT_LOCALTIME
 /*
-** Compute the difference (in milliseconds)
-** between localtime and UTC (a.k.a. GMT)
-** for the time value p where p is in UTC.
+** The following routine implements the rough equivalent of localtime_r()
+** using whatever operating-system specific localtime facility that
+** is available.  This routine returns 0 on success and
+** non-zero on any kind of error.
+**
+** If the sqlite3GlobalConfig.bLocaltimeFault variable is true then this
+** routine will always fail.
 */
-static sqlite3_int64 localtimeOffset(DateTime *p){
+static int osLocaltime(time_t *t, struct tm *pTm){
+  int rc;
+#if (!defined(HAVE_LOCALTIME_R) || !HAVE_LOCALTIME_R) \
+      && (!defined(HAVE_LOCALTIME_S) || !HAVE_LOCALTIME_S)
+  struct tm *pX;
+  sqlite3_mutex *mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER);
+  sqlite3_mutex_enter(mutex);
+  pX = localtime(t);
+#ifndef SQLITE_OMIT_BUILTIN_TEST
+  if( sqlite3GlobalConfig.bLocaltimeFault ) pX = 0;
+#endif
+  if( pX ) *pTm = *pX;
+  sqlite3_mutex_leave(mutex);
+  rc = pX==0;
+#else
+#ifndef SQLITE_OMIT_BUILTIN_TEST
+  if( sqlite3GlobalConfig.bLocaltimeFault ) return 1;
+#endif
+#if defined(HAVE_LOCALTIME_R) && HAVE_LOCALTIME_R
+  rc = localtime_r(t, pTm)==0;
+#else
+  rc = localtime_s(pTm, t);
+#endif /* HAVE_LOCALTIME_R */
+#endif /* HAVE_LOCALTIME_R || HAVE_LOCALTIME_S */
+  return rc;
+}
+#endif /* SQLITE_OMIT_LOCALTIME */
+
+
+#ifndef SQLITE_OMIT_LOCALTIME
+/*
+** Compute the difference (in milliseconds) between localtime and UTC
+** (a.k.a. GMT) for the time value p where p is in UTC. If no error occurs,
+** return this value and set *pRc to SQLITE_OK. 
+**
+** Or, if an error does occur, set *pRc to SQLITE_ERROR. The returned value
+** is undefined in this case.
+*/
+static sqlite3_int64 localtimeOffset(
+  DateTime *p,                    /* Date at which to calculate offset */
+  sqlite3_context *pCtx,          /* Write error here if one occurs */
+  int *pRc                        /* OUT: Error code. SQLITE_OK or ERROR */
+){
  DateTime x, y;
  time_t t;
+  struct tm sLocal;
+
+  /* Initialize the contents of sLocal to avoid a compiler warning. */
+  memset(&sLocal, 0, sizeof(sLocal));
+
  x = *p;
  computeYMD_HMS(&x);
  if( x.Y<1971 || x.Y>=2038 ){
@@ -437,47 +489,23 @@ static sqlite3_int64 localtimeOffset(DateTime *p){
  x.validJD = 0;
  computeJD(&x);
  t = (time_t)(x.iJD/1000 - 21086676*(i64)10000);
-#ifdef HAVE_LOCALTIME_R
-  {
-    struct tm sLocal;
-    localtime_r(&t, &sLocal);
+  if( osLocaltime(&t, &sLocal) ){
+    sqlite3_result_error(pCtx, "local time unavailable", -1);
+    *pRc = SQLITE_ERROR;
+    return 0;
+  }
  y.Y = sLocal.tm_year + 1900;
  y.M = sLocal.tm_mon + 1;
  y.D = sLocal.tm_mday;
  y.h = sLocal.tm_hour;
  y.m = sLocal.tm_min;
  y.s = sLocal.tm_sec;
-  }
-#elif defined(HAVE_LOCALTIME_S) && HAVE_LOCALTIME_S
-  {
-    struct tm sLocal;
-    localtime_s(&sLocal, &t);
-    y.Y = sLocal.tm_year + 1900;
-    y.M = sLocal.tm_mon + 1;
-    y.D = sLocal.tm_mday;
-    y.h = sLocal.tm_hour;
-    y.m = sLocal.tm_min;
-    y.s = sLocal.tm_sec;
-  }
-#else
-  {
-    struct tm *pTm;
-    sqlite3_mutex_enter(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER));
-    pTm = localtime(&t);
-    y.Y = pTm->tm_year + 1900;
-    y.M = pTm->tm_mon + 1;
-    y.D = pTm->tm_mday;
-    y.h = pTm->tm_hour;
-    y.m = pTm->tm_min;
-    y.s = pTm->tm_sec;
-    sqlite3_mutex_leave(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER));
-  }
-#endif
  y.validYMD = 1;
  y.validHMS = 1;
  y.validJD = 0;
  y.validTZ = 0;
  computeJD(&y);
+  *pRc = SQLITE_OK;
  return y.iJD - x.iJD;
 }
 #endif /* SQLITE_OMIT_LOCALTIME */
@@ -501,9 +529,12 @@ static sqlite3_int64 localtimeOffset(DateTime *p){
 **     localtime
 **     utc
 **
-** Return 0 on success and 1 if there is any kind of error.
+** Return 0 on success and 1 if there is any kind of error. If the error
+** is in a system call (i.e. localtime()), then an error message is written
+** to context pCtx. If the error is an unrecognized modifier, no error is
+** written to pCtx.
 */
-static int parseModifier(const char *zMod, DateTime *p){
+static int parseModifier(sqlite3_context *pCtx, const char *zMod, DateTime *p){
  int rc = 1;
  int n;
  double r;
@@ -523,9 +554,8 @@ static int parseModifier(const char *zMod, DateTime *p){
      */
      if( strcmp(z, "localtime")==0 ){
        computeJD(p);
-        p->iJD += localtimeOffset(p);
+        p->iJD += localtimeOffset(p, pCtx, &rc);
        clearYMD_HMS_TZ(p);
-        rc = 0;
      }
      break;
    }
@@ -546,11 +576,12 @@ static int parseModifier(const char *zMod, DateTime *p){
      else if( strcmp(z, "utc")==0 ){
        sqlite3_int64 c1;
        computeJD(p);
-        c1 = localtimeOffset(p);
+        c1 = localtimeOffset(p, pCtx, &rc);
+        if( rc==SQLITE_OK ){
          p->iJD -= c1;
          clearYMD_HMS_TZ(p);
-        p->iJD += c1 - localtimeOffset(p);
-        rc = 0;
+          p->iJD += c1 - localtimeOffset(p, pCtx, &rc);
+        }
      }
 #endif
      break;
@@ -731,9 +762,8 @@ static int isDate(
    }
  }
  for(i=1; i<argc; i++){
-    if( (z = sqlite3_value_text(argv[i]))==0 || parseModifier((char*)z, p) ){
-      return 1;
-    }
+    z = sqlite3_value_text(argv[i]);
+    if( z==0 || parseModifier(context, (char*)z, p) ) return 1;
  }
  return 0;
 }
--- a/src/global.c
+++ b/src/global.c
@@ -169,6 +169,7 @@ SQLITE_WSD struct Sqlite3Config sqlite3Config = {
   0,                         /* nRefInitMutex */
   0,                         /* xLog */
   0,                         /* pLogArg */
+   0,                         /* bLocaltimeFault */
 };


--- a/src/main.c
+++ b/src/main.c
@@ -2924,6 +2924,17 @@ int sqlite3_test_control(int op, ...){
      break;
    }

+    /*   sqlite3_test_control(SQLITE_TESTCTRL_LOCALTIME_FAULT, int onoff);
+    **
+    ** If parameter onoff is non-zero, configure the wrappers so that all
+    ** subsequent calls to localtime() and variants fail. If onoff is zero,
+    ** undo this setting.
+    */
+    case SQLITE_TESTCTRL_LOCALTIME_FAULT: {
+      sqlite3GlobalConfig.bLocaltimeFault = va_arg(ap, int);
+      break;
+    }
+
  }
  va_end(ap);
 #endif /* SQLITE_OMIT_BUILTIN_TEST */
--- a/src/sqlite.h.in
+++ b/src/sqlite.h.in
@@ -5573,7 +5573,8 @@ int sqlite3_test_control(int op, ...);
 #define SQLITE_TESTCTRL_ISKEYWORD               16
 #define SQLITE_TESTCTRL_PGHDRSZ                 17
 #define SQLITE_TESTCTRL_SCRATCHMALLOC           18
-#define SQLITE_TESTCTRL_LAST                    18
+#define SQLITE_TESTCTRL_LOCALTIME_FAULT         19
+#define SQLITE_TESTCTRL_LAST                    19

 /*
 ** CAPI3REF: SQLite Runtime Status
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -2461,6 +2461,7 @@ struct Sqlite3Config {
  int nRefInitMutex;                /* Number of users of pInitMutex */
  void (*xLog)(void*,int,const char*); /* Function for logging */
  void *pLogArg;                       /* First argument to xLog() */
+  int bLocaltimeFault;              /* True to fail localtime() calls */
 };

 /*
--- a/src/test1.c
+++ b/src/test1.c
@@ -5522,6 +5522,54 @@ static int test_print_eqp(
 }
 #endif /* SQLITE_OMIT_EXPLAIN */

+/*
+** sqlite3_test_control VERB ARGS...
+*/
+static int test_test_control(
+  void * clientData,
+  Tcl_Interp *interp,
+  int objc,
+  Tcl_Obj *CONST objv[]
+){
+  struct Verb {
+    const char *zName;
+    int i;
+  } aVerb[] = {
+    { "SQLITE_TESTCTRL_LOCALTIME_FAULT", SQLITE_TESTCTRL_LOCALTIME_FAULT }, 
+  };
+  int iVerb;
+  int iFlag;
+  int rc;
+
+  if( objc<2 ){
+    Tcl_WrongNumArgs(interp, 1, objv, "VERB ARGS...");
+    return TCL_ERROR;
+  }
+
+  rc = Tcl_GetIndexFromObjStruct(
+      interp, objv[1], aVerb, sizeof(aVerb[0]), "VERB", 0, &iVerb
+  );
+  if( rc!=TCL_OK ) return rc;
+
+  iFlag = aVerb[iVerb].i;
+  switch( iFlag ){
+    case SQLITE_TESTCTRL_LOCALTIME_FAULT: {
+      int val;
+      if( objc!=3 ){
+        Tcl_WrongNumArgs(interp, 2, objv, "ONOFF");
+        return TCL_ERROR;
+      }
+      if( Tcl_GetBooleanFromObj(interp, objv[2], &val) ) return TCL_ERROR;
+      sqlite3_test_control(SQLITE_TESTCTRL_LOCALTIME_FAULT, val);
+      break;
+    }
+  }
+
+  Tcl_ResetResult(interp);
+  return TCL_OK;
+}
+
+
 /*
 **      optimization_control DB OPT BOOLEAN
 **
@@ -5785,6 +5833,7 @@ int Sqlitetest1_Init(Tcl_Interp *interp){
 #ifndef SQLITE_OMIT_EXPLAIN
     { "print_explain_query_plan", test_print_eqp, 0  },
 #endif
+     { "sqlite3_test_control", test_test_control },
  };
  static int bitmask_size = sizeof(Bitmask)*8;
  int i;
--- a/src/test_vfs.c
+++ b/src/test_vfs.c
@@ -79,8 +79,6 @@ struct Testvfs {
  sqlite3_vfs *pVfs;              /* The testvfs registered with SQLite */
  Tcl_Interp *interp;             /* Interpreter to run script in */
  Tcl_Obj *pScript;               /* Script to execute */
-  int nScript;                    /* Number of elements in array apScript */
-  Tcl_Obj **apScript;             /* Array version of pScript */
  TestvfsBuffer *pBuffer;         /* List of shared buffers */
  int isNoshm;

@@ -267,48 +265,26 @@ static void tvfsExecTcl(
  Tcl_Obj *arg3
 ){
  int rc;                         /* Return code from Tcl_EvalObj() */
-  int nArg;                       /* Elements in eval'd list */
-  int nScript;
-  Tcl_Obj ** ap;
-
+  Tcl_Obj *pEval;
  assert( p->pScript );

-  if( !p->apScript ){
-    int nByte;
-    int i;
-    if( TCL_OK!=Tcl_ListObjGetElements(p->interp, p->pScript, &nScript, &ap) ){
-      Tcl_BackgroundError(p->interp);
-      Tcl_ResetResult(p->interp);
-      return;
-    }
-    p->nScript = nScript;
-    nByte = (nScript+TESTVFS_MAX_ARGS)*sizeof(Tcl_Obj *);
-    p->apScript = (Tcl_Obj **)ckalloc(nByte);
-    memset(p->apScript, 0, nByte);
-    for(i=0; i<nScript; i++){
-      p->apScript[i] = ap[i];
-    }
-  }
+  assert( zMethod );
+  assert( p );
+  assert( arg2==0 || arg1!=0 );
+  assert( arg3==0 || arg2!=0 );

-  p->apScript[p->nScript] = Tcl_NewStringObj(zMethod, -1);
-  p->apScript[p->nScript+1] = arg1;
-  p->apScript[p->nScript+2] = arg2;
-  p->apScript[p->nScript+3] = arg3;
+  pEval = Tcl_DuplicateObj(p->pScript);
+  Tcl_IncrRefCount(p->pScript);
+  Tcl_ListObjAppendElement(p->interp, pEval, Tcl_NewStringObj(zMethod, -1));
+  if( arg1 ) Tcl_ListObjAppendElement(p->interp, pEval, arg1);
+  if( arg2 ) Tcl_ListObjAppendElement(p->interp, pEval, arg2);
+  if( arg3 ) Tcl_ListObjAppendElement(p->interp, pEval, arg3);

-  for(nArg=p->nScript; p->apScript[nArg]; nArg++){
-    Tcl_IncrRefCount(p->apScript[nArg]);
-  }
-
-  rc = Tcl_EvalObjv(p->interp, nArg, p->apScript, TCL_EVAL_GLOBAL);
+  rc = Tcl_EvalObjEx(p->interp, pEval, TCL_EVAL_GLOBAL);
  if( rc!=TCL_OK ){
    Tcl_BackgroundError(p->interp);
    Tcl_ResetResult(p->interp);
  }
-
-  for(nArg=p->nScript; p->apScript[nArg]; nArg++){
-    Tcl_DecrRefCount(p->apScript[nArg]);
-    p->apScript[nArg] = 0;
-  }
 }


@@ -1094,10 +1070,8 @@ static int testvfs_obj_cmd(
      if( objc==3 ){
        int nByte;
        if( p->pScript ){
+          int i;
          Tcl_DecrRefCount(p->pScript);
-          ckfree((char *)p->apScript);
-          p->apScript = 0;
-          p->nScript = 0;
          p->pScript = 0;
        }
        Tcl_GetStringFromObj(objv[2], &nByte);
@@ -1249,9 +1223,9 @@ static int testvfs_obj_cmd(

 static void testvfs_obj_del(ClientData cd){
  Testvfs *p = (Testvfs *)cd;
+  int i;
  if( p->pScript ) Tcl_DecrRefCount(p->pScript);
  sqlite3_vfs_unregister(p->pVfs);
-  ckfree((char *)p->apScript);
  ckfree((char *)p->pVfs);
  ckfree((char *)p);
 }
--- a/test/e_uri.test
+++ b/test/e_uri.test
@@ -121,6 +121,10 @@ if {$tcl_platform(platform) == "unix"} {
  sqlite3_close $DB
 }

+# ensure uri processing enabled for the rest of the tests
+sqlite3_shutdown
+sqlite3_config_uri 1
+
 # EVIDENCE-OF: R-17482-00398 If the authority is not an empty string or
 # "localhost", an error is returned to the caller.
 #
@@ -144,18 +148,16 @@ if {$tcl_platform(platform) == "unix"} {
 # EVIDENCE-OF: R-45981-25528 The fragment component of a URI, if
 # present, is ignored.
 #
-#   It is difficult to test that something is ignore correctly. So these tests
+#   It is difficult to test that something is ignored correctly. So these tests
 #   just show that adding a fragment does not interfere with the pathname or
 #   parameters passed through to the VFS xOpen() methods.
 #
-if {$tcl_platform(platform) == "unix"} {
-  foreach {tn uri parse} "
+foreach {tn uri parse} "
  1    {file:test.db#abc}     {[pwd]/test.db {}}
  2    {file:test.db?a=b#abc} {[pwd]/test.db {a b}}
  3    {file:test.db?a=b#?c=d} {[pwd]/test.db {a b}}
-  " {
-    do_test 3.$tn { parse_uri $uri } $parse
-  }
+" {
+  do_filepath_test 3.$tn { parse_uri $uri } $parse
 }

 # EVIDENCE-OF: R-62557-09390 SQLite uses the path component of the URI
@@ -168,16 +170,14 @@ if {$tcl_platform(platform) == "unix"} {
 # (meaning that the authority section is omitted from the URI) then the
 # path is interpreted as a relative path.
 #
-if {$tcl_platform(platform) == "unix"} {
-  foreach {tn uri parse} "
+foreach {tn uri parse} "
  1    {file:test.db}             {[pwd]/test.db {}}
  2    {file:/test.db}            {/test.db {}}
  3    {file:///test.db}          {/test.db {}}
  4    {file://localhost/test.db} {/test.db {}}
  5    {file:/a/b/c/test.db}      {/a/b/c/test.db {}}
-  " {
-    do_test 4.$tn { parse_uri $uri } $parse
-  }
+" {
+  do_filepath_test 4.$tn { parse_uri $uri } $parse
 }

 # EVIDENCE-OF: R-01612-30877 The "vfs" parameter may be used to specify
@@ -270,8 +270,6 @@ foreach {tn uri error} "
 # EVIDENCE-OF: R-26845-32976 Value "rwc" is equivalent to setting both
 # SQLITE_OPEN_READWRITE and SQLITE_OPEN_CREATE.
 #
-sqlite3_shutdown
-sqlite3_config_uri 1
 foreach {tn uri read write create} {
  1    {file:test.db?mode=ro}     1 0 0
  2    {file:test.db?mode=rw}     1 1 0
@@ -429,10 +427,10 @@ sqlite3_enable_shared_cache $orig
 # EVIDENCE-OF: R-63472-46769 Specifying an unknown parameter in the
 # query component of a URI is not an error.
 #
-do_test 12.1 {
+do_filepath_test 12.1 {
  parse_uri file://localhost/test.db?an=unknown&parameter=is&ok=
 } {/test.db {an unknown parameter is ok {}}}
-do_test 12.2 {
+do_filepath_test 12.2 {
  parse_uri file://localhost/test.db?an&unknown&parameter&is&ok
 } {/test.db {an {} unknown {} parameter {} is {} ok {}}}

@@ -452,7 +450,7 @@ foreach {tn uri parse} "
  2  {file:/test.db?%68%65%6c%6c%6f=%77%6f%72%6c%64} {/test.db {hello world}}
  3  {file:/%C3%BF.db}                               {/\xFF.db {}}
 " {
-  do_test 13.$tn { parse_uri $uri } $parse
+  do_filepath_test 13.$tn { parse_uri $uri } $parse
 }

 finish_test
--- a/test/tester.tcl
+++ b/test/tester.tcl
@@ -354,6 +354,21 @@ proc do_test {name cmd expected} {
  flush stdout
 }

+proc filepath_normalize {p} {
+  # test cases should be written to assume "unix"-like file paths
+  if {$::tcl_platform(platform)!="unix"} {
+    # lreverse*2 as a hack to remove any unneeded {} after the string map
+    lreverse [lreverse [string map {\\ /} [regsub -nocase -all {[a-z]:[/\\]+} $p {/}]]]
+  } {
+    set p
+  }
+}
+proc do_filepath_test {name cmd expected} {
+  uplevel [list do_test $name [
+    subst -nocommands { filepath_normalize [ $cmd ] }
+  ] [filepath_normalize $expected]]
+}
+
 proc realnum_normalize {r} {
  # different TCL versions display floating point values differently.
  string map {1.#INF inf Inf inf .0e e} [regsub -all {(e[+-])0+} $r {\1}]
--- a/test/tkt-bd484a090c.test
+++ b/test/tkt-bd484a090c.test
@@ -0,0 +1,38 @@
+# 2011 June 21
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+#
+# This file contains tests for SQLite. Specifically, it tests that SQLite
+# does not crash and an error is returned if localhost() fails. This 
+# is the problem reported by ticket bd484a090c.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+set testprefix tkt-bd484a090c
+
+
+do_test 1.1 {
+  lindex [catchsql { SELECT datetime('now', 'localtime') }] 0
+} {0}
+do_test 1.2 {
+  lindex [catchsql { SELECT datetime('now', 'utc') }] 0
+} {0}
+
+sqlite3_test_control SQLITE_TESTCTRL_LOCALTIME_FAULT 1
+
+do_test 2.1 {
+  catchsql { SELECT datetime('now', 'localtime') }
+} {1 {local time unavailable}}
+do_test 2.2 {
+  catchsql { SELECT datetime('now', 'utc') }
+} {1 {local time unavailable}}
+
+sqlite3_test_control SQLITE_TESTCTRL_LOCALTIME_FAULT 0
+
+finish_test
--- a/test/types3.test
+++ b/test/types3.test
@@ -21,7 +21,7 @@ source $testdir/tester.tcl
 # A variable with only a string representation comes in as TEXT
 do_test types3-1.1 {
  set V {}
-  append V {}
+  append V x
  concat [tcl_variable_type V] [execsql {SELECT typeof(:V)}]
 } {string text}

--- a/tool/tostr.awk
+++ b/tool/tostr.awk
@@ -0,0 +1,9 @@
+#!/usr/bin/awk
+#
+# Convert input text into a C string
+#
+{
+  gsub(/\\/,"\\\\");
+  gsub(/\"/,"\\\"");
+  print "\"" $0 "\\n\"";
+}